KingQueen is a free Android lifestyle application designed to enhance the experience of its members at the King and Queen facilities. Key features include a digital membership card that utilizes a barcode for easy access, ensuring seamless entry for users. The app also provides updates on the latest promotions and enjoyable events happening at the facility, helping members stay informed and engaged.

In addition to membership management, KingQueen offers detailed information about the facility's amenities, such as hot springs, saunas, and stone baths. Users can accumulate points with each visit, which can be exchanged for a variety of rewards. The app includes a map for directions to the facility and details about free shuttle bus services, as well as links to the official Instagram page and website for further engagement and information.